lasersaber | 12V BoostPack Starts Freezing Cold Engine - Capacitors Replacing Car Batteries @lasersaber | Uploaded November 2013 | Updated October 2024, 6 hours ago.
This update goes over my latest research with the BoostPack auto battery replacement project. BoostPacks are now for sale on eBay for $100-$200 Buy It Now. Coupled with a small solar panel my setup has been working flawlessly. I will post links to everything soon at: laserhacker.com/?p=323
LaserSaber online store at: teslamaker.com

Actually, the solar panel is a 1.8 watt panel:
amazon.com/Sunforce-50012-1-8-Watt-Battery-Maintainer/dp/B0006JO0KG